public IMvxPagedViewModel GetPreviousViewModel(IMvxPagedViewModel currentViewModel)
{
if (currentViewModel is ThirdPageViewModel)
return (_secondPageVM);
else if (currentViewModel is SecondPageViewModel)
return (_firstPageVM);
return (null);
}
public IMvxPagedViewModel GetNextViewModel(IMvxPagedViewModel currentViewModel)
{
if (currentViewModel is FirstPageViewModel)
return (_secondPageVM);
else if (currentViewModel is SecondPageViewModel)
return (_thirdPageVM);
return (null);
}
public virtual UIViewController GetViewControllerForViewModel(IMvxPagedViewModel queryVM)
{
UIViewController retVal = null;
if(_pagedViewControllerCache.ContainsKey(queryVM.PagedViewId))
retVal = _pagedViewControllerCache[queryVM.PagedViewId];
else {
retVal = this.CreateViewControllerFor(queryVM) as UIViewController;
_pagedViewControllerCache[queryVM.PagedViewId] = retVal;
}
return(retVal);
}
public IMvxPagedViewModel GetNextViewModel(IMvxPagedViewModel currentViewModel)
{
int index = ViewModels.FindIndex((WeatherMainPageViewModel obj) => { return(obj.PagedViewId.Equals(currentViewModel.PagedViewId)); });
if (index < ViewModels.Count - 1)
{
return(ViewModels[index + 1]);
}
return(null);
}
protected virtual void InitializePaging()
{
IMvxPageViewModel pageVM = ViewModel as IMvxPageViewModel;
if (pageVM == null)
{
return;
}
IMvxPagedViewModel defaultVM = pageVM.GetDefaultViewModel();
UIViewController defaultVC = GetViewControllerForViewModel(defaultVM);
SetViewControllers(new UIViewController[] { defaultVC }, UIPageViewControllerNavigationDirection.Forward, true, null);
GetNextViewController = delegate(UIPageViewController pc, UIViewController rc)
{
IMvxTvosView rcTV = rc as IMvxTvosView;
if (rcTV == null)
{
return(null);
}
IMvxPagedViewModel currentVM = rcTV.ViewModel as IMvxPagedViewModel;
if (currentVM == null)
{
return(null);
}
IMvxPagedViewModel nextVM = pageVM.GetNextViewModel(currentVM);
if (nextVM == null)
{
return(null);
}
UIViewController nextVC = GetViewControllerForViewModel(nextVM);
return(nextVC);
};
GetPreviousViewController = delegate(UIPageViewController pc, UIViewController rc)
{
IMvxTvosView rcTV = rc as IMvxTvosView;
if (rcTV == null)
{
return(null);
}
IMvxPagedViewModel currentVM = rcTV.ViewModel as IMvxPagedViewModel;
if (currentVM == null)
{
return(null);
}
IMvxPagedViewModel prevVM = pageVM.GetPreviousViewModel(currentVM);
if (prevVM == null)
{
return(null);
}
UIViewController prevVC = GetViewControllerForViewModel(prevVM);
return(prevVC);
};
}
public IMvxPagedViewModel GetPreviousViewModel(IMvxPagedViewModel currentViewModel)
{
if (currentViewModel is ThirdPageViewModel)
{
return(_secondPageVM);
}
else if (currentViewModel is SecondPageViewModel)
{
return(_firstPageVM);
}
return(null);
}
public IMvxPagedViewModel GetNextViewModel(IMvxPagedViewModel currentViewModel)
{
if (currentViewModel is FirstPageViewModel)
{
return(_secondPageVM);
}
else if (currentViewModel is SecondPageViewModel)
{
return(_thirdPageVM);
}
return(null);
}
public virtual UIViewController GetViewControllerForViewModel(IMvxPagedViewModel queryVM)
{
UIViewController retVal = null;
if (_pagedViewControllerCache.ContainsKey(queryVM.PagedViewId))
{
retVal = _pagedViewControllerCache[queryVM.PagedViewId];
}
else
{
retVal = this.CreateViewControllerFor(queryVM) as UIViewController;
_pagedViewControllerCache[queryVM.PagedViewId] = retVal;
}
return(retVal);
}
public IMvxPagedViewModel GetPreviousViewModel(IMvxPagedViewModel currentViewModel)
{
int index = ViewModels.FindIndex((WeatherMainPageViewModel obj) => { return(obj.PagedViewId.Equals(currentViewModel.PagedViewId)); });
if (index > 0)
{
return(ViewModels[index - 1]);
}
if (index == 0 && _currentLocationPageView != null)
{
return(_currentLocationPageView);
}
return(null);
}
public virtual void NavigateToViewModel(IMvxPagedViewModel targetVM,UIPageViewControllerNavigationDirection direction, bool animated = true)
{
UIViewController targetVC = GetViewControllerForViewModel (targetVM);
SetViewControllers (new UIViewController[] { targetVC }, direction, animated, null);
}
public virtual void NavigateToViewModel(IMvxPagedViewModel targetVM, UIPageViewControllerNavigationDirection direction, bool animated = true)
{
UIViewController targetVC = GetViewControllerForViewModel(targetVM);
SetViewControllers(new UIViewController[] { targetVC }, direction, animated, null);
}
public IMvxPagedViewModel GetPreviousViewModel(IMvxPagedViewModel currentViewModel)
{
throw new NotImplementedException();
}
